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Tracked since 2026
The Bottom Line
- Price
- Free, no paid tier. Compare plans
Key facts
- High-performance reactive UI library.
- Compiles directly to DOM, no virtual DOM.
- Fine-grained reactivity for efficient updates.
Pros
- Very fast performance
- Fine-grained reactivity
- Small bundle size
- React-like syntax
- Active development
Cons
- Smaller ecosystem
- Less job market
- Learning reactivity model
- Community smaller
- Fewer resources
What is Solid.js?
Solid.js is a reactive JavaScript library designed for building user interfaces. It focuses on performance by compiling its templates directly to real DOM nodes and efficiently updating them with fine-grained reactivity. Unlike virtual DOM libraries, Solid.js uses a compile-time approach that allows for highly optimized updates without the overhead of a virtual DOM reconciliation step.
Solid.js is ideal for developers who prioritize performance and want a modern, declarative way to build web applications. It offers a familiar JSX syntax and component-based architecture, making it accessible to those with experience in React or similar libraries, while providing unique benefits in terms of speed and bundle size. Its fine-grained reactivity system ensures that only the necessary parts of the UI are re-rendered when data changes, leading to highly efficient applications.
Louis Corneloup Source solidjs.com ↗
Key Features
- Reactive framework
- No virtual DOM
- Fine-grained reactivity
- JSX syntax
- Small bundle
- Fast performance
Pricing Plans
Pricing checked Sep 28, 2026
| Plan | Price | Details |
|---|---|---|
| Free | $0 |
+2 more Show less
|
Is Solid.js worth the price?
Great value
Solid.js offers an incredibly generous pricing model, as it is entirely free and open-source under the MIT license.
This makes it an exceptionally fair and accessible option compared to proprietary frameworks or those with paid tiers. It's best for developers and organizations of all sizes looking for a high-performance UI library without any financial commitment.
Reviews
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Solid.js FAQ
How does Solid.js achieve its high performance for user interfaces?
Solid.js achieves high performance by compiling its templates directly to real DOM nodes and utilizing fine-grained reactivity. This compile-time approach allows for optimized updates without the overhead of a virtual DOM reconciliation step, ensuring only necessary parts of the UI re-render.
What kind of user or team benefits most from Solid.js?
Solid.js is best suited for developers and teams who prioritize application performance and desire a modern, declarative approach to building web applications. Its focus on speed and small bundle size makes it ideal for projects where efficiency is critical.
How is Solid.js priced?
Solid.js is free to use, with no paid plans or subscriptions required. It is an open-source library that developers can integrate into their projects without any cost.
Can Solid.js be used to build complex interactive web applications?
Yes, Solid.js is designed for creating user interfaces and is well-suited for complex interactive web applications due to its declarative nature and fine-grained reactivity. It allows developers to build performant applications with a component-based architecture.
How does Solid.js compare to Vue.js in terms of its core mechanism?
Solid.js differs from Vue.js by compiling templates directly to real DOM nodes and using a fine-grained reactivity system, avoiding a virtual DOM. This approach aims for highly optimized updates and smaller bundle sizes compared to virtual DOM libraries.
What are the main trade-offs when choosing Solid.js for a project?
The main trade-offs when choosing Solid.js include a smaller ecosystem and community compared to more established libraries. Developers may also need to invest time in learning its specific reactivity model, and there are fewer available resources.
Source: solidjs.com